Add the sessiond notification-handling subsystem

[lttng-tools.git] / src / bin / lttng-sessiond / lttng-sessiond.h

diff --git a/src/bin/lttng-sessiond/lttng-sessiond.h b/src/bin/lttng-sessiond/lttng-sessiond.h
index c7bcbd8344263ef16959f7160b7062e157797fb2..d7ee414f3622b7e841abc6f28090382d1609bb18 100644 (file)
--- a/src/bin/lttng-sessiond/lttng-sessiond.h
+++ b/src/bin/lttng-sessiond/lttng-sessiond.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2013 - Raphaël Beamonte <raphael.beamonte@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, version 2 only,
@@ -18,9 +19,8 @@
 #ifndef _LTT_SESSIOND_H
 #define _LTT_SESSIOND_H
 
-#define _LGPL_SOURCE
 #include <urcu.h>
-#include <urcu/wfqueue.h>
+#include <urcu/wfcqueue.h>
 
 #include <common/sessiond-comm/sessiond-comm.h>
 #include <common/compat/poll.h>
@@ -28,6 +28,7 @@
 
 #include "session.h"
 #include "ust-app.h"
+#include "version.h"
 
 extern const char default_home_dir[],
        default_tracing_group[],
@@ -53,16 +54,17 @@ struct command_ctx {
 struct ust_command {
        int sock;
        struct ust_register_msg reg_msg;
-       struct cds_wfq_node node;
+       struct cds_wfcq_node node;
 };
 
 /*
- * Queue used to enqueue UST registration request (ust_commant) and protected
+ * Queue used to enqueue UST registration request (ust_command) and synchronized
  * by a futex with a scheme N wakers / 1 waiters. See futex.c/.h
  */
 struct ust_cmd_queue {
        int32_t futex;
-       struct cds_wfq_queue queue;
+       struct cds_wfcq_head head;
+       struct cds_wfcq_tail tail;
 };
 
 /*
@@ -104,18 +106,23 @@ extern int ht_cleanup_pipe[2];
 extern long page_size;
 
 /*
- * Global set once in main(). JUL TCP port for registration.
+ * Global set once in main(). Agent TCP port for registration.
  */
-extern unsigned int jul_tcp_port;
+extern unsigned int agent_tcp_port;
+
+/* Application health monitoring */
+extern struct health_app *health_sessiond;
 
 /*
  * Section name to look for in the daemon configuration file.
  */
 extern const char * const config_section_name;
 
-int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
-int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
+/* Is this daemon root or not. */
+extern int is_root;
 
-void *thread_ht_cleanup(void *data);
+int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
+int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
+void sessiond_notify_ready(void);
 
 #endif /* _LTT_SESSIOND_H */